Finding the Fourth Proportional to 123,150.44, 169,948.30 and 77,848.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,150.44 : 169,948.30 = 77,848.34 : x
2. Step 2: Convert to fraction form
   123,150.44/169,948.30 = 77,848.34/x
3. Step 3: Cross multiply
   123,150.44x = 169,948.30 × 77,848.34
4. Step 4: Simplify right side
   123,150.44x = 13,230,193,040.82
5. Step 5: Solve for x
   x = 13,230,193,040.82/123,150.44
6. Step 6: Final answer
   x = 107,431.15